Ricoh IM C530 Series User Manual page 230

8. Troubleshooting
Message
"Scanner is not available.
Check the scanner
connection status."
"Scanner is not available
on the specified device."
"Scanner is not ready.
Check the scanner and
the options."
"The device's
authentication service
cannot be performed."
228
Cause
The power of the
machine is not turned
on, or the machine is not
connected to the
network correctly.
The firewall function is
enabled on the
computer.
The IP address of the
machine could not be
resolved from the host
name.
The IPv6 address could
not be obtained when
only IPv6 is enabled on
the machine.
The TWAIN scanner
function is disabled on
the machine.
The ADF is open.
Authentication cannot
be performed because
the authentication
service is starting up or
busy.
Solution and reference
Check that the machine is turned on, and
connected to the network correctly.
Configure the firewall function of the computer
to allow communication of the application
used, or disable the firewall function.
Check that the host name of the machine is
configured in Network Connection Tool that is
installed with the TWAIN driver.
See "Installing the TWAIN/WIA Driver", User
Guide (Full Version).
Log in to Web Image Monitor in the
administrator mode, and select [Active] in
[IPv4] "LLMNR" under [Device
Management] [Configuration]
"Network".
The TWAIN scanner function cannot be used.
Close the ADF.
• When User Code or Basic authentication
is specified, wait a while until processing
the machine address is completed.
• When Windows or LDAP authentication
(Custom authentication) is specified, wait
a while until the server becomes ready for
processing. If authentication is not
possible even after waiting for a while,
consult your administrator.